Ultimate Cap is given a termination mission on non other than Deathstroke. Fury has given Cap full gear, surveillance, and comms needed to take DS down. Cap prepares for a weak, however info slips to Nightwing. Slade hears of this through Nightwing who needs Slade for help for a problem. Nightwing and Slade prepare themselves as best they can with one day they have before Cap Helo drops. Cap likewise knows from surveillance of Nightwing teaming with Slade at the last second.
Ultimate Cap with Shield and full Gear, were talking anything he has used in the past like grenades, tear gas, machine guns, tasers, ect.
vs New 52 Slade and Nightwing with standard Gear.
Battle in a Warehouse.